Welcome to BF.
I see you got a 56 cm frame. I'm 6'-0" and ride a 56 cm frame. 6"-2.5" sounds like a 59-62 cm frame.
Can you return it?
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The Lord is merciful and gracious, slow to anger and abounding in steadfast love. - Psalm 103:8
I am a cyclist. I am not the fastest or the fittest. But I will get to where I'm going with a smile on my face.